3. Copy the stored data of the previous CompactFlash card to the new original Siemens card.
Note
Invalid software key
The software key is associated with the serial number of the CompactFlash card. If you
overwrite the software key of the new CompactFlash card with the previous CompactFlash
card, the new CompactFlash card is not operational.
Consequently, use the software key of the new CompactFlash card.
4. Insert the new Siemens CompactFlash card.
9.7.4
Replacing contactors
CAUTION
Injury when using incorrect contactors
Use of the wrong contactor can result in a malfunction and thus lead to physical injuries and
material damage.
● Always use contactors of the same type. Check the device numbers of the previous and
new contactors.
To replace the contactors, proceed as follows:
1. Loosen the cables. To do so, unscrew the screws.
2. Remove the contactor from the DIN rail.
3. Snap the new contactor onto the DIN rail.
4. Reattach the cables. Adhere to the markings. Do not interchange the cables.
5. Re-connect the protective circuit after replacing a contactor. Refer to the circuit diagrams to
help you. You will find these in the section headed "Overview diagram, circuit diagram,
terminal diagram" in the "Power Unit Circuit Manual".
9.7.5
Replacing the current transformer
The current transformers measure the current in the input phases and output phases. The
current transformers
①
are located on insulating cylinders
②
.
The current transformers can be accessed only from the rear.
Maintenance
9.7 Repairs
SINAMICS GL150 6SL38555UN113KA0Z
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